/*!
 * QUnit 1.15.0
 * http://qunitjs.com/
 *
 * Copyright 2014 jQuery Foundation and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2014-08-08T16:00Z
 */

(function( window ) {

    var QUnit,
        config,
        onErrorFnPrev,
        fileName = ( sourceFromStacktrace( 0 ) || "" ).replace( /(:\d+)+\)?/, "" ).replace( /.+\//, "" ),
        toString = Object.prototype.toString,
        hasOwn = Object.prototype.hasOwnProperty,
    // Keep a local reference to Date (GH-283)
        Date = window.Date,
        now = Date.now || function() {
                return new Date().getTime();
            },
        setTimeout = window.setTimeout,
        clearTimeout = window.clearTimeout,
        defined = {
            document: typeof window.document !== "undefined",
            setTimeout: typeof window.setTimeout !== "undefined",
            sessionStorage: (function() {
                var x = "qunit-test-string";
                try {
                    sessionStorage.setItem( x, x );
                    sessionStorage.removeItem( x );
                    return true;
                } catch ( e ) {
                    return false;
                }
            }())
        },
        /**
         * Provides a normalized error string, correcting an issue
         * with IE 7 (and prior) where Error.prototype.toString is
         * not properly implemented
         *
         * Based on http://es5.github.com/#x15.11.4.4
         *
         * @param {String|Error} error
         * @return {String} error message
         */
        errorString = function( error ) {
            var name, message,
                errorString = error.toString();
            if ( errorString.substring( 0, 7 ) === "[object" ) {
                name = error.name ? error.name.toString() : "Error";
                message = error.message ? error.message.toString() : "";
                if ( name && message ) {
                    return name + ": " + message;
                } else if ( name ) {
                    return name;
                } else if ( message ) {
                    return message;
                } else {
                    return "Error";
                }
            } else {
                return errorString;
            }
        },

        isNode = function (obj) {
            if (typeof Node === 'object') {
                return obj instanceof Node
            }

            return obj && typeof obj === 'object' && typeof obj.nodeType === 'number' && typeof obj.nodeName=== 'string';
        },

        isElement = function (obj) {
            if (typeof HTMLElement === 'object') {
                return obj instanceof HTMLElement
            }

            return obj && typeof obj === 'object' && obj !== null && obj.nodeType === 1 && typeof obj.nodeName==='string';
        },

        /**
         * Makes a clone of an object using only Array or Object as base,
         * and copies over the own enumerable properties.
         *
         * @param {Object} obj
         * @return {Object} New object with only the own properties (recursively).
         */
        objectValues = function( obj ) {
            var key, val,
                vals = QUnit.is( "array", obj ) ? [] : {};
            for ( key in obj ) {
                if ( hasOwn.call( obj, key ) ) {
                    val = obj[ key ];
                    vals[ key ] = val === Object( val ) && !isNode(val) && !isElement(val) ? objectValues( val ) : val;
                }
            }
            return vals;
        };

// Root QUnit object.
// `QUnit` initialized at top of scope
    QUnit = {

        // call on start of module test to prepend name to all tests
        module: function( name, testEnvironment ) {
            config.currentModule = name;
            config.currentModuleTestEnvironment = testEnvironment;
            config.modules[ name ] = true;
        },

        asyncTest: function( testName, expected, callback ) {
            if ( arguments.length === 2 ) {
                callback = expected;
                expected = null;
            }

            QUnit.test( testName, expected, callback, true );
        },

        test: function( testName, expected, callback, async ) {
            var test;

            if ( arguments.length === 2 ) {
                callback = expected;
                expected = null;
            }

            test = new Test({
                testName: testName,
                expected: expected,
                async: async,
                callback: callback,
                module: config.currentModule,
                moduleTestEnvironment: config.currentModuleTestEnvironment,
                stack: sourceFromStacktrace( 2 )
            });

            if ( !validTest( test ) ) {
                return;
            }

            test.queue();
        },

        start: function( count ) {
            var message;

            // QUnit hasn't been initialized yet.
            // Note: RequireJS (et al) may delay onLoad
            if ( config.semaphore === undefined ) {
                QUnit.begin(function() {
                    // This is triggered at the top of QUnit.load, push start() to the event loop, to allow QUnit.load to finish first
                    setTimeout(function() {
                        QUnit.start( count );
                    });
                });
                return;
            }

            config.semaphore -= count || 1;
            // don't start until equal number of stop-calls
            if ( config.semaphore > 0 ) {
                return;
            }

            // Set the starting time when the first test is run
            QUnit.config.started = QUnit.config.started || now();
            // ignore if start is called more often then stop
            if ( config.semaphore < 0 ) {
                config.semaphore = 0;

                message = "Called start() while already started (QUnit.config.semaphore was 0 already)";

                if ( config.current ) {
                    QUnit.pushFailure( message, sourceFromStacktrace( 2 ) );
                } else {
                    throw new Error( message );
                }

                return;
            }
            // A slight delay, to avoid any current callbacks
            if ( defined.setTimeout ) {
                setTimeout(function() {
                    if ( config.semaphore > 0 ) {
                        return;
                    }
                    if ( config.timeout ) {
                        clearTimeout( config.timeout );
                    }

                    config.blocking = false;
                    process( true );
                }, 13 );
            } else {
                config.blocking = false;
                process( true );
            }
        },

        stop: function( count ) {
            config.semaphore += count || 1;
            config.blocking = true;

            if ( config.testTimeout && defined.setTimeout ) {
                clearTimeout( config.timeout );
                config.timeout = setTimeout(function() {
                    QUnit.ok( false, "Test timed out" );
                    config.semaphore = 1;
                    QUnit.start();
                }, config.testTimeout );
            }
        }
    };

// We use the prototype to distinguish between properties that should
// be exposed as globals (and in exports) and those that shouldn't
    (function() {
        function F() {}
        F.prototype = QUnit;
        QUnit = new F();

        // Make F QUnit's constructor so that we can add to the prototype later
        QUnit.constructor = F;
    }());

    /**
     * Config object: Maintain internal state
     * Later exposed as QUnit.config
     * `config` initialized at top of scope
     */
    config = {
        // The queue of tests to run
        queue: [],

        // block until document ready
        blocking: true,

        // when enabled, show only failing tests
        // gets persisted through sessionStorage and can be changed in UI via checkbox
        hidepassed: false,

        // by default, run previously failed tests first
        // very useful in combination with "Hide passed tests" checked
        reorder: true,

        // by default, modify document.title when suite is done
        altertitle: true,

        // by default, scroll to top of the page when suite is done
        scrolltop: true,

        // when enabled, all tests must call expect()
        requireExpects: false,

        // add checkboxes that are persisted in the query-string
        // when enabled, the id is set to `true` as a `QUnit.config` property
        urlConfig: [
            {
                id: "noglobals",
                label: "Check for Globals",
                tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
            },
            {
                id: "notrycatch",
                label: "No try-catch",
                tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
            }
        ],

        // Set of all modules.
        modules: {},

        callbacks: {}
    };

// Initialize more QUnit.config and QUnit.urlParams
    (function() {
        var i, current,
            location = window.location || { search: "", protocol: "file:" },
            params = location.search.slice( 1 ).split( "&" ),
            length = params.length,
            urlParams = {};

        if ( params[ 0 ] ) {
            for ( i = 0; i < length; i++ ) {
                current = params[ i ].split( "=" );
                current[ 0 ] = decodeURIComponent( current[ 0 ] );

                // allow just a key to turn on a flag, e.g., test.html?noglobals
                current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
                if ( urlParams[ current[ 0 ] ] ) {
                    urlParams[ current[ 0 ] ] = [].concat( urlParams[ current[ 0 ] ], current[ 1 ] );
                } else {
                    urlParams[ current[ 0 ] ] = current[ 1 ];
                }
            }
        }

        QUnit.urlParams = urlParams;

        // String search anywhere in moduleName+testName
        config.filter = urlParams.filter;

        // Exact match of the module name
        config.module = urlParams.module;

        config.testNumber = [];
        if ( urlParams.testNumber ) {

            // Ensure that urlParams.testNumber is an array
            urlParams.testNumber = [].concat( urlParams.testNumber );
            for ( i = 0; i < urlParams.testNumber.length; i++ ) {
                current = urlParams.testNumber[ i ];
                config.testNumber.push( parseInt( current, 10 ) );
            }
        }

        // Figure out if we're running the tests from a server or not
        QUnit.isLocal = location.protocol === "file:";
    }());

    extend( QUnit, {

        config: config,

        // Safe object type checking
        is: function( type, obj ) {
            return QUnit.objectType( obj ) === type;
        },

        objectType: function( obj ) {
            if ( typeof obj === "undefined" ) {
                return "undefined";
            }

            // Consider: typeof null === object
            if ( obj === null ) {
                return "null";
            }

            var match = toString.call( obj ).match( /^\[object\s(.*)\]$/ ),
                type = match && match[ 1 ] || "";

            switch ( type ) {
                case "Number":
                    if ( isNaN( obj ) ) {
                        return "nan";
                    }
                    return "number";
                case "String":
                case "Boolean":
                case "Array":
                case "Date":
                case "RegExp":
                case "Function":
                    return type.toLowerCase();
            }
            if ( typeof obj === "object" ) {
                return "object";
            }
            return undefined;
        },

        url: function( params ) {
            params = extend( extend( {}, QUnit.urlParams ), params );
            var key,
                querystring = "?";

            for ( key in params ) {
                if ( hasOwn.call( params, key ) ) {
                    querystring += encodeURIComponent( key ) + "=" +
                    encodeURIComponent( params[ key ] ) + "&";
                }
            }
            return window.location.protocol + "//" + window.location.host +
            window.location.pathname + querystring.slice( 0, -1 );
        },

        extend: extend
    });

    /**
     * @deprecated: Created for backwards compatibility with test runner that set the hook function
     * into QUnit.{hook}, instead of invoking it and passing the hook function.
     * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
     * Doing this allows us to tell if the following methods have been overwritten on the actual
     * QUnit object.
     */
    extend( QUnit.constructor.prototype, {

        // Logging callbacks; all receive a single argument with the listed properties
        // run test/logs.html for any related changes
        begin: registerLoggingCallback( "begin" ),

        // done: { failed, passed, total, runtime }
        done: registerLoggingCallback( "done" ),

        // log: { result, actual, expected, message }
        log: registerLoggingCallback( "log" ),

        // testStart: { name }
        testStart: registerLoggingCallback( "testStart" ),

        // testDone: { name, failed, passed, total, runtime }
        testDone: registerLoggingCallback( "testDone" ),

        // moduleStart: { name }
        moduleStart: registerLoggingCallback( "moduleStart" ),

        // moduleDone: { name, failed, passed, total }
        moduleDone: registerLoggingCallback( "moduleDone" )
    });

    QUnit.load = function() {
        runLoggingCallbacks( "begin", {
            totalTests: Test.count
        });

        // Initialize the configuration options
        extend( config, {
            stats: { all: 0, bad: 0 },
            moduleStats: { all: 0, bad: 0 },
            started: 0,
            updateRate: 1000,
            autostart: true,
            filter: "",
            semaphore: 1
        }, true );

        config.blocking = false;

        if ( config.autostart ) {
            QUnit.start();
        }
    };

// `onErrorFnPrev` initialized at top of scope
// Preserve other handlers
    onErrorFnPrev = window.onerror;

// Cover uncaught exceptions
// Returning true will suppress the default browser handler,
// returning false will let it run.
    window.onerror = function( error, filePath, linerNr ) {
        var ret = false;
        if ( onErrorFnPrev ) {
            ret = onErrorFnPrev( error, filePath, linerNr );
        }

        // Treat return value as window.onerror itself does,
        // Only do our handling if not suppressed.
        if ( ret !== true ) {
            if ( QUnit.config.current ) {
                if ( QUnit.config.current.ignoreGlobalErrors ) {
                    return true;
                }
                QUnit.pushFailure( error, filePath + ":" + linerNr );
            } else {
                QUnit.test( "global failure", extend(function() {
                    QUnit.pushFailure( error, filePath + ":" + linerNr );
                }, { validTest: validTest } ) );
            }
            return false;
        }

        return ret;
    };

    function done() {
        config.autorun = true;

        // Log the last module results
        if ( config.previousModule ) {
            runLoggingCallbacks( "moduleDone", {
                name: config.previousModule,
                failed: config.moduleStats.bad,
                passed: config.moduleStats.all - config.moduleStats.bad,
                total: config.moduleStats.all
            });
        }
        delete config.previousModule;

        var runtime = now() - config.started,
            passed = config.stats.all - config.stats.bad;

        runLoggingCallbacks( "done", {
            failed: config.stats.bad,
            passed: passed,
            total: config.stats.all,
            runtime: runtime
        });
    }

    /** @return Boolean: true if this test should be ran */
    function validTest( test ) {
        var include,
            filter = config.filter && config.filter.toLowerCase(),
            module = config.module && config.module.toLowerCase(),
            fullName = ( test.module + ": " + test.testName ).toLowerCase();

        // Internally-generated tests are always valid
        if ( test.callback && test.callback.validTest === validTest ) {
            delete test.callback.validTest;
            return true;
        }

        if ( config.testNumber.length > 0 ) {
            if ( inArray( test.testNumber, config.testNumber ) < 0 ) {
                return false;
            }
        }

        if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
            return false;
        }

        if ( !filter ) {
            return true;
        }

        include = filter.charAt( 0 ) !== "!";
        if ( !include ) {
            filter = filter.slice( 1 );
        }

        // If the filter matches, we need to honour include
        if ( fullName.indexOf( filter ) !== -1 ) {
            return include;
        }

        // Otherwise, do the opposite
        return !include;
    }

// Doesn't support IE6 to IE9
// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
    function extractStacktrace( e, offset ) {
        offset = offset === undefined ? 4 : offset;

        var stack, include, i;

        if ( e.stacktrace ) {

            // Opera 12.x
            return e.stacktrace.split( "\n" )[ offset + 3 ];
        } else if ( e.stack ) {

            // Firefox, Chrome, Safari 6+, IE10+, PhantomJS and Node
            stack = e.stack.split( "\n" );
            if ( /^error$/i.test( stack[ 0 ] ) ) {
                stack.shift();
            }
            if ( fileName ) {
                include = [];
                for ( i = offset; i < stack.length; i++ ) {
                    if ( stack[ i ].indexOf( fileName ) !== -1 ) {
                        break;
                    }
                    include.push( stack[ i ] );
                }
                if ( include.length ) {
                    return include.join( "\n" );
                }
            }
            return stack[ offset ];
        } else if ( e.sourceURL ) {

            // Safari < 6
            // exclude useless self-reference for generated Error objects
            if ( /qunit.js$/.test( e.sourceURL ) ) {
                return;
            }

            // for actual exceptions, this is useful
            return e.sourceURL + ":" + e.line;
        }
    }
    function sourceFromStacktrace( offset ) {
        try {
            throw new Error();
        } catch ( e ) {
            return extractStacktrace( e, offset );
        }
    }

    function synchronize( callback, last ) {
        config.queue.push( callback );

        if ( config.autorun && !config.blocking ) {
            process( last );
        }
    }

    function process( last ) {
        function next() {
            process( last );
        }
        var start = now();
        config.depth = config.depth ? config.depth + 1 : 1;

        while ( config.queue.length && !config.blocking ) {
            if ( !defined.setTimeout || config.updateRate <= 0 || ( ( now() - start ) < config.updateRate ) ) {
                config.queue.shift()();
            } else {
                setTimeout( next, 13 );
                break;
            }
        }
        config.depth--;
        if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
            done();
        }
    }

    function saveGlobal() {
        config.pollution = [];

        if ( config.noglobals ) {
            for ( var key in window ) {
                if ( hasOwn.call( window, key ) ) {
                    // in Opera sometimes DOM element ids show up here, ignore them
                    if ( /^qunit-test-output/.test( key ) ) {
                        continue;
                    }
                    config.pollution.push( key );
                }
            }
        }
    }

    function checkPollution() {
        var newGlobals,
            deletedGlobals,
            old = config.pollution;

        saveGlobal();

        newGlobals = diff( config.pollution, old );
        if ( newGlobals.length > 0 ) {
            QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join( ", " ) );
        }

        deletedGlobals = diff( old, config.pollution );
        if ( deletedGlobals.length > 0 ) {
            QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join( ", " ) );
        }
    }

// returns a new Array with the elements that are in a but not in b
    function diff( a, b ) {
        var i, j,
            result = a.slice();

        for ( i = 0; i < result.length; i++ ) {
            for ( j = 0; j < b.length; j++ ) {
                if ( result[ i ] === b[ j ] ) {
                    result.splice( i, 1 );
                    i--;
                    break;
                }
            }
        }
        return result;
    }

    function extend( a, b, undefOnly ) {
        for ( var prop in b ) {
            if ( hasOwn.call( b, prop ) ) {

                // Avoid "Member not found" error in IE8 caused by messing with window.constructor
                if ( !( prop === "constructor" && a === window ) ) {
                    if ( b[ prop ] === undefined ) {
                        delete a[ prop ];
                    } else if ( !( undefOnly && typeof a[ prop ] !== "undefined" ) ) {
                        a[ prop ] = b[ prop ];
                    }
                }
            }
        }

        return a;
    }

    function registerLoggingCallback( key ) {

        // Initialize key collection of logging callback
        if ( QUnit.objectType( config.callbacks[ key ] ) === "undefined" ) {
            config.callbacks[ key ] = [];
        }

        return function( callback ) {
            config.callbacks[ key ].push( callback );
        };
    }

    function runLoggingCallbacks( key, args ) {
        var i, l, callbacks;

        callbacks = config.callbacks[ key ];
        for ( i = 0, l = callbacks.length; i < l; i++ ) {
            callbacks[ i ]( args );
        }
    }

// from jquery.js
    function inArray( elem, array ) {
        if ( array.indexOf ) {
            return array.indexOf( elem );
        }

        for ( var i = 0, length = array.length; i < length; i++ ) {
            if ( array[ i ] === elem ) {
                return i;
            }
        }

        return -1;
    }

    function Test( settings ) {
        extend( this, settings );
        this.assert = new Assert( this );
        this.assertions = [];
        this.testNumber = ++Test.count;
    }

    Test.count = 0;

    Test.prototype = {
        setup: function() {
            if (

                // Emit moduleStart when we're switching from one module to another
            this.module !== config.previousModule ||

                // They could be equal (both undefined) but if the previousModule property doesn't
                // yet exist it means this is the first test in a suite that isn't wrapped in a
                // module, in which case we'll just emit a moduleStart event for 'undefined'.
                // Without this, reporters can get testStart before moduleStart  which is a problem.
            !hasOwn.call( config, "previousModule" )
            ) {
                if ( hasOwn.call( config, "previousModule" ) ) {
                    runLoggingCallbacks( "moduleDone", {
                        name: config.previousModule,
                        failed: config.moduleStats.bad,
                        passed: config.moduleStats.all - config.moduleStats.bad,
                        total: config.moduleStats.all
                    });
                }
                config.previousModule = this.module;
                config.moduleStats = { all: 0, bad: 0 };
                runLoggingCallbacks( "moduleStart", {
                    name: this.module
                });
            }

            config.current = this;

            this.testEnvironment = extend({
                setup: function() {},
                teardown: function() {}
            }, this.moduleTestEnvironment );

            this.started = now();
            runLoggingCallbacks( "testStart", {
                name: this.testName,
                module: this.module,
                testNumber: this.testNumber
            });

            if ( !config.pollution ) {
                saveGlobal();
            }
            if ( config.notrycatch ) {
                this.testEnvironment.setup.call( this.testEnvironment, this.assert );
                return;
            }
            try {
                this.testEnvironment.setup.call( this.testEnvironment, this.assert );
            } catch ( e ) {
                this.pushFailure( "Setup failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
            }
        },
        run: function() {
            config.current = this;

            if ( this.async ) {
                QUnit.stop();
            }

            this.callbackStarted = now();

            if ( config.notrycatch ) {
                this.callback.call( this.testEnvironment, this.assert );
                this.callbackRuntime = now() - this.callbackStarted;
                return;
            }

            try {
                this.callback.call( this.testEnvironment, this.assert );
                this.callbackRuntime = now() - this.callbackStarted;
            } catch ( e ) {
                this.callbackRuntime = now() - this.callbackStarted;

                this.pushFailure( "Died on test #" + ( this.assertions.length + 1 ) + " " + this.stack + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );

                // else next test will carry the responsibility
                saveGlobal();

                // Restart the tests if they're blocking
                if ( config.blocking ) {
                    QUnit.start();
                }
            }
        },
        teardown: function() {
            config.current = this;
            if ( config.notrycatch ) {
                if ( typeof this.callbackRuntime === "undefined" ) {
                    this.callbackRuntime = now() - this.callbackStarted;
                }
                this.testEnvironment.teardown.call( this.testEnvironment, this.assert );
                return;
            } else {
                try {
                    this.testEnvironment.teardown.call( this.testEnvironment, this.assert );
                } catch ( e ) {
                    this.pushFailure( "Teardown failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
                }
            }
            checkPollution();
        },
        finish: function() {
            config.current = this;
            if ( config.requireExpects && this.expected === null ) {
                this.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
            } else if ( this.expected !== null && this.expected !== this.assertions.length ) {
                this.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
            } else if ( this.expected === null && !this.assertions.length ) {
                this.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
            }

            var i,
                bad = 0;

            this.runtime = now() - this.started;
            config.stats.all += this.assertions.length;
            config.moduleStats.all += this.assertions.length;

            for ( i = 0; i < this.assertions.length; i++ ) {
                if ( !this.assertions[ i ].result ) {
                    bad++;
                    config.stats.bad++;
                    config.moduleStats.bad++;
                }
            }

            runLoggingCallbacks( "testDone", {
                name: this.testName,
                module: this.module,
                failed: bad,
                passed: this.assertions.length - bad,
                total: this.assertions.length,
                runtime: this.runtime,

                // HTML Reporter use
                assertions: this.assertions,
                testNumber: this.testNumber,

                // DEPRECATED: this property will be removed in 2.0.0, use runtime instead
                duration: this.runtime
            });

            config.current = undefined;
        },

        queue: function() {
            var bad,
                test = this;

            function run() {
                // each of these can by async
                synchronize(function() {
                    test.setup();
                });
                synchronize(function() {
                    test.run();
                });
                synchronize(function() {
                    test.teardown();
                });
                synchronize(function() {
                    test.finish();
                });
            }

            // `bad` initialized at top of scope
            // defer when previous test run passed, if storage is available
            bad = QUnit.config.reorder && defined.sessionStorage &&
            +sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );

            if ( bad ) {
                run();
            } else {
                synchronize( run, true );
            }
        },

        push: function( result, actual, expected, message ) {
            var source,
                details = {
                    module: this.module,
                    name: this.testName,
                    result: result,
                    message: message,
                    actual: actual,
                    expected: expected,
                    testNumber: this.testNumber
                };

            if ( !result ) {
                source = sourceFromStacktrace();

                if ( source ) {
                    details.source = source;
                }
            }

            runLoggingCallbacks( "log", details );

            this.assertions.push({
                result: !!result,
                message: message
            });
        },

        pushFailure: function( message, source, actual ) {
            if ( !this instanceof Test ) {
                throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace( 2 ) );
            }

            var details = {
                module: this.module,
                name: this.testName,
                result: false,
                message: message || "error",
                actual: actual || null,
                testNumber: this.testNumber
            };

            if ( source ) {
                details.source = source;
            }

            runLoggingCallbacks( "log", details );

            this.assertions.push({
                result: false,
                message: message
            });
        }
    };

    QUnit.pushFailure = function() {
        if ( !QUnit.config.current ) {
            throw new Error( "pushFailure() assertion outside test context, in " + sourceFromStacktrace( 2 ) );
        }

        // Gets current test obj
        var currentTest = QUnit.config.current.assert.test;

        return currentTest.pushFailure.apply( currentTest, arguments );
    };

    function Assert( testContext ) {
        this.test = testContext;
    }

// Assert helpers
    QUnit.assert = Assert.prototype = {

        // Specify the number of expected assertions to guarantee that failed test (no assertions are run at all) don't slip through.
        expect: function( asserts ) {
            if ( arguments.length === 1 ) {
                this.test.expected = asserts;
            } else {
                return this.test.expected;
            }
        },

        // Exports test.push() to the user API
        push: function() {
            var assert = this;

            // Backwards compatibility fix.
            // Allows the direct use of global exported assertions and QUnit.assert.*
            // Although, it's use is not recommended as it can leak assertions
            // to other tests from async tests, because we only get a reference to the current test,
            // not exactly the test where assertion were intended to be called.
            if ( !QUnit.config.current ) {
                throw new Error( "assertion outside test context, in " + sourceFromStacktrace( 2 ) );
            }
            if ( !( assert instanceof Assert ) ) {
                assert = QUnit.config.current.assert;
            }
            return assert.test.push.apply( assert.test, arguments );
        },

        /**
         * Asserts rough true-ish result.
         * @name ok
         * @function
         * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
         */
        ok: function( result, message ) {
            message = message || ( result ? "okay" : "failed, expected argument to be truthy, was: " +
            QUnit.dump.parse( result ) );
            if ( !!result ) {
                this.push( true, result, true, message );
            } else {
                this.test.pushFailure( message, null, result );
            }
        },

        /**
         * Assert that the first two arguments are equal, with an optional message.
         * Prints out both actual and expected values.
         * @name equal
         * @function
         * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
         */
        equal: function( actual, expected, message ) {
            /*jshint eqeqeq:false */
            this.push( expected == actual, actual, expected, message );
        },

        /**
         * @name notEqual
         * @function
         */
        notEqual: function( actual, expected, message ) {
            /*jshint eqeqeq:false */
            this.push( expected != actual, actual, expected, message );
        },

        /**
         * @name propEqual
         * @function
         */
        propEqual: function( actual, expected, message ) {
            actual = objectValues( actual );
            expected = objectValues( expected );
            this.push( QUnit.equiv( actual, expected ), actual, expected, message );
        },

        /**
         * @name notPropEqual
         * @function
         */
        notPropEqual: function( actual, expected, message ) {
            actual = objectValues( actual );
            expected = objectValues( expected );
            this.push( !QUnit.equiv( actual, expected ), actual, expected, message );
        },

        /**
         * @name deepEqual
         * @function
         */
        deepEqual: function( actual, expected, message ) {
            this.push( QUnit.equiv( actual, expected ), actual, expected, message );
        },

        /**
         * @name notDeepEqual
         * @function
         */
        notDeepEqual: function( actual, expected, message ) {
            this.push( !QUnit.equiv( actual, expected ), actual, expected, message );
        },

        /**
         * @name strictEqual
         * @function
         */
        strictEqual: function( actual, expected, message ) {
            this.push( expected === actual, actual, expected, message );
        },

        /**
         * @name notStrictEqual
         * @function
         */
        notStrictEqual: function( actual, expected, message ) {
            this.push( expected !== actual, actual, expected, message );
        },

        "throws": function( block, expected, message ) {
            var actual, expectedType,
                expectedOutput = expected,
                ok = false;

            // 'expected' is optional unless doing string comparison
            if ( message == null && typeof expected === "string" ) {
                message = expected;
                expected = null;
            }

            this.test.ignoreGlobalErrors = true;
            try {
                block.call( this.test.testEnvironment );
            } catch (e) {
                actual = e;
            }
            this.test.ignoreGlobalErrors = false;

            if ( actual ) {
                expectedType = QUnit.objectType( expected );

                // we don't want to validate thrown error
                if ( !expected ) {
                    ok = true;
                    expectedOutput = null;

                    // expected is a regexp
                } else if ( expectedType === "regexp" ) {
                    ok = expected.test( errorString( actual ) );

                    // expected is a string
                } else if ( expectedType === "string" ) {
                    ok = expected === errorString( actual );

                    // expected is a constructor, maybe an Error constructor
                } else if ( expectedType === "function" && actual instanceof expected ) {
                    ok = true;

                    // expected is an Error object
                } else if ( expectedType === "object" ) {
                    ok = actual instanceof expected.constructor &&
                    actual.name === expected.name &&
                    actual.message === expected.message;

                    // expected is a validation function which returns true if validation passed
                } else if ( expectedType === "function" && expected.call( {}, actual ) === true ) {
                    expectedOutput = null;
                    ok = true;
                }

                this.push( ok, actual, expectedOutput, message );
            } else {
                this.test.pushFailure( message, null, "No exception was thrown." );
            }
        }
    };

// Test for equality any JavaScript type.
// Author: Philippe Rathé <prathe@gmail.com>
    QUnit.equiv = (function() {

        // Call the o related callback with the given arguments.
        function bindCallbacks( o, callbacks, args ) {
            var prop = QUnit.objectType( o );
            if ( prop ) {
                if ( QUnit.objectType( callbacks[ prop ] ) === "function" ) {
                    return callbacks[ prop ].apply( callbacks, args );
                } else {
                    return callbacks[ prop ]; // or undefined
                }
            }
        }

        // the real equiv function
        var innerEquiv,

        // stack to decide between skip/abort functions
            callers = [],

        // stack to avoiding loops from circular referencing
            parents = [],
            parentsB = [],

            getProto = Object.getPrototypeOf || function( obj ) {
                    /* jshint camelcase: false, proto: true */
                    return obj.__proto__;
                },
            callbacks = (function() {

                // for string, boolean, number and null
                function useStrictEquality( b, a ) {

                    /*jshint eqeqeq:false */
                    if ( b instanceof a.constructor || a instanceof b.constructor ) {

                        // to catch short annotation VS 'new' annotation of a
                        // declaration
                        // e.g. var i = 1;
                        // var j = new Number(1);
                        return a == b;
                    } else {
                        return a === b;
                    }
                }

                return {
                    "string": useStrictEquality,
                    "boolean": useStrictEquality,
                    "number": useStrictEquality,
                    "null": useStrictEquality,
                    "undefined": useStrictEquality,

                    "nan": function( b ) {
                        return isNaN( b );
                    },

                    "date": function( b, a ) {
                        return QUnit.objectType( b ) === "date" && a.valueOf() === b.valueOf();
                    },

                    "regexp": function( b, a ) {
                        return QUnit.objectType( b ) === "regexp" &&

                            // the regex itself
                        a.source === b.source &&

                            // and its modifiers
                        a.global === b.global &&

                            // (gmi) ...
                        a.ignoreCase === b.ignoreCase &&
                        a.multiline === b.multiline &&
                        a.sticky === b.sticky;
                    },

                    // - skip when the property is a method of an instance (OOP)
                    // - abort otherwise,
                    // initial === would have catch identical references anyway
                    "function": function() {
                        var caller = callers[ callers.length - 1 ];
                        return caller !== Object && typeof caller !== "undefined";
                    },

                    "array": function( b, a ) {
                        var i, j, len, loop, aCircular, bCircular;

                        // b could be an object literal here
                        if ( QUnit.objectType( b ) !== "array" ) {
                            return false;
                        }

                        len = a.length;
                        if ( len !== b.length ) {
                            // safe and faster
                            return false;
                        }

                        // track reference to avoid circular references
                        parents.push( a );
                        parentsB.push( b );
                        for ( i = 0; i < len; i++ ) {
                            loop = false;
                            for ( j = 0; j < parents.length; j++ ) {
                                aCircular = parents[ j ] === a[ i ];
                                bCircular = parentsB[ j ] === b[ i ];
                                if ( aCircular || bCircular ) {
                                    if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
                                        loop = true;
                                    } else {
                                        parents.pop();
                                        parentsB.pop();
                                        return false;
                                    }
                                }
                            }
                            if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
                                parents.pop();
                                parentsB.pop();
                                return false;
                            }
                        }
                        parents.pop();
                        parentsB.pop();
                        return true;
                    },

                    "object": function( b, a ) {

                        /*jshint forin:false */
                        var i, j, loop, aCircular, bCircular,
                        // Default to true
                            eq = true,
                            aProperties = [],
                            bProperties = [];

                        // comparing constructors is more strict than using
                        // instanceof
                        if ( a.constructor !== b.constructor ) {

                            // Allow objects with no prototype to be equivalent to
                            // objects with Object as their constructor.
                            if ( !( ( getProto( a ) === null && getProto( b ) === Object.prototype ) ||
                                ( getProto( b ) === null && getProto( a ) === Object.prototype ) ) ) {
                                return false;
                            }
                        }

                        // stack constructor before traversing properties
                        callers.push( a.constructor );

                        // track reference to avoid circular references
                        parents.push( a );
                        parentsB.push( b );

                        // be strict: don't ensure hasOwnProperty and go deep
                        for ( i in a ) {
                            loop = false;
                            for ( j = 0; j < parents.length; j++ ) {
                                aCircular = parents[ j ] === a[ i ];
                                bCircular = parentsB[ j ] === b[ i ];
                                if ( aCircular || bCircular ) {
                                    if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
                                        loop = true;
                                    } else {
                                        eq = false;
                                        break;
                                    }
                                }
                            }
                            aProperties.push( i );
                            if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
                                eq = false;
                                break;
                            }
                        }

                        parents.pop();
                        parentsB.pop();
                        callers.pop(); // unstack, we are done

                        for ( i in b ) {
                            bProperties.push( i ); // collect b's properties
                        }

                        // Ensures identical properties name
                        return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
                    }
                };
            }());

        innerEquiv = function() { // can take multiple arguments
            var args = [].slice.apply( arguments );
            if ( args.length < 2 ) {
                return true; // end transition
            }

            return ( (function( a, b ) {
                if ( a === b ) {
                    return true; // catch the most you can
                } else if ( a === null || b === null || typeof a === "undefined" ||
                    typeof b === "undefined" ||
                    QUnit.objectType( a ) !== QUnit.objectType( b ) ) {

                    // don't lose time with error prone cases
                    return false;
                } else {
                    return bindCallbacks( a, callbacks, [ b, a ] );
                }

                // apply transition with (1..n) arguments
            }( args[ 0 ], args[ 1 ] ) ) && innerEquiv.apply( this, args.splice( 1, args.length - 1 ) ) );
        };

        return innerEquiv;
    }());

// Based on jsDump by Ariel Flesler
// http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html
    QUnit.dump = (function() {
        function quote( str ) {
            return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
        }
        function literal( o ) {
            return o + "";
        }
        function join( pre, arr, post ) {
            var s = dump.separator(),
                base = dump.indent(),
                inner = dump.indent( 1 );
            if ( arr.join ) {
                arr = arr.join( "," + s + inner );
            }
            if ( !arr ) {
                return pre + post;
            }
            return [ pre, inner + arr, base + post ].join( s );
        }
        function array( arr, stack ) {
            var i = arr.length,
                ret = new Array( i );
            this.up();
            while ( i-- ) {
                ret[ i ] = this.parse( arr[ i ], undefined, stack );
            }
            this.down();
            return join( "[", ret, "]" );
        }

        var reName = /^function (\w+)/,
            dump = {
                // type is used mostly internally, you can fix a (custom)type in advance
                parse: function( obj, type, stack ) {
                    stack = stack || [];
                    var inStack, res,
                        parser = this.parsers[ type || this.typeOf( obj ) ];

                    type = typeof parser;
                    inStack = inArray( obj, stack );

                    if ( inStack !== -1 ) {
                        return "recursion(" + ( inStack - stack.length ) + ")";
                    }
                    if ( type === "function" ) {
                        stack.push( obj );
                        res = parser.call( this, obj, stack );
                        stack.pop();
                        return res;
                    }
                    return ( type === "string" ) ? parser : this.parsers.error;
                },
                typeOf: function( obj ) {
                    var type;
                    if ( obj === null ) {
                        type = "null";
                    } else if ( typeof obj === "undefined" ) {
                        type = "undefined";
                    } else if ( QUnit.is( "regexp", obj ) ) {
                        type = "regexp";
                    } else if ( QUnit.is( "date", obj ) ) {
                        type = "date";
                    } else if ( QUnit.is( "function", obj ) ) {
                        type = "function";
                    } else if ( typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined" ) {
                        type = "window";
                    } else if ( obj.nodeType === 9 ) {
                        type = "document";
                    } else if ( obj.nodeType ) {
                        type = "node";
                    } else if (

                        // native arrays
                    toString.call( obj ) === "[object Array]" ||

                        // NodeList objects
                    ( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item( 0 ) === obj[ 0 ] : ( obj.item( 0 ) === null && typeof obj[ 0 ] === "undefined" ) ) )
                    ) {
                        type = "array";
                    } else if ( obj.constructor === Error.prototype.constructor ) {
                        type = "error";
                    } else {
                        type = typeof obj;
                    }
                    return type;
                },
                separator: function() {
                    return this.multiline ? this.HTML ? "<br />" : "\n" : this.HTML ? "&nbsp;" : " ";
                },
                // extra can be a number, shortcut for increasing-calling-decreasing
                indent: function( extra ) {
                    if ( !this.multiline ) {
                        return "";
                    }
                    var chr = this.indentChar;
                    if ( this.HTML ) {
                        chr = chr.replace( /\t/g, "   " ).replace( / /g, "&nbsp;" );
                    }
                    return new Array( this.depth + ( extra || 0 ) ).join( chr );
                },
                up: function( a ) {
                    this.depth += a || 1;
                },
                down: function( a ) {
                    this.depth -= a || 1;
                },
                setParser: function( name, parser ) {
                    this.parsers[ name ] = parser;
                },
                // The next 3 are exposed so you can use them
                quote: quote,
                literal: literal,
                join: join,
                //
                depth: 1,
                // This is the list of parsers, to modify them, use dump.setParser
                parsers: {
                    window: "[Window]",
                    document: "[Document]",
                    error: function( error ) {
                        return "Error(\"" + error.message + "\")";
                    },
                    unknown: "[Unknown]",
                    "null": "null",
                    "undefined": "undefined",
                    "function": function( fn ) {
                        var ret = "function",
                        // functions never have name in IE
                            name = "name" in fn ? fn.name : ( reName.exec( fn ) || [] )[ 1 ];

                        if ( name ) {
                            ret += " " + name;
                        }
                        ret += "( ";

                        ret = [ ret, dump.parse( fn, "functionArgs" ), "){" ].join( "" );
                        return join( ret, dump.parse( fn, "functionCode" ), "}" );
                    },
                    array: array,
                    nodelist: array,
                    "arguments": array,
                    object: function( map, stack ) {
                        /*jshint forin:false */
                        var ret = [], keys, key, val, i, nonEnumerableProperties;
                        dump.up();
                        keys = [];
                        for ( key in map ) {
                            keys.push( key );
                        }

                        // Some properties are not always enumerable on Error objects.
                        nonEnumerableProperties = [ "message", "name" ];
                        for ( i in nonEnumerableProperties ) {
                            key = nonEnumerableProperties[ i ];
                            if ( key in map && !( key in keys ) ) {
                                keys.push( key );
                            }
                        }
                        keys.sort();
                        for ( i = 0; i < keys.length; i++ ) {
                            key = keys[ i ];
                            val = map[ key ];
                            ret.push( dump.parse( key, "key" ) + ": " + dump.parse( val, undefined, stack ) );
                        }
                        dump.down();
                        return join( "{", ret, "}" );
                    },
                    node: function( node ) {
                        var len, i, val,
                            open = dump.HTML ? "&lt;" : "<",
                            close = dump.HTML ? "&gt;" : ">",
                            tag = node.nodeName.toLowerCase(),
                            ret = open + tag,
                            attrs = node.attributes;

                        if ( attrs ) {
                            for ( i = 0, len = attrs.length; i < len; i++ ) {
                                val = attrs[ i ].nodeValue;

                                // IE6 includes all attributes in .attributes, even ones not explicitly set.
                                // Those have values like undefined, null, 0, false, "" or "inherit".
                                if ( val && val !== "inherit" ) {
                                    ret += " " + attrs[ i ].nodeName + "=" + dump.parse( val, "attribute" );
                                }
                            }
                        }
                        ret += close;

                        // Show content of TextNode or CDATASection
                        if ( node.nodeType === 3 || node.nodeType === 4 ) {
                            ret += node.nodeValue;
                        }

                        return ret + open + "/" + tag + close;
                    },

                    // function calls it internally, it's the arguments part of the function
                    functionArgs: function( fn ) {
                        var args,
                            l = fn.length;

                        if ( !l ) {
                            return "";
                        }

                        args = new Array( l );
                        while ( l-- ) {

                            // 97 is 'a'
                            args[ l ] = String.fromCharCode( 97 + l );
                        }
                        return " " + args.join( ", " ) + " ";
                    },
                    // object calls it internally, the key part of an item in a map
                    key: quote,
                    // function calls it internally, it's the content of the function
                    functionCode: "[code]",
                    // node calls it internally, it's an html attribute value
                    attribute: quote,
                    string: quote,
                    date: quote,
                    regexp: literal,
                    number: literal,
                    "boolean": literal
                },
                // if true, entities are escaped ( <, >, \t, space and \n )
                HTML: false,
                // indentation unit
                indentChar: "  ",
                // if true, items in a collection, are separated by a \n, else just a space.
                multiline: true
            };

        return dump;
    }());

// back compat
    QUnit.jsDump = QUnit.dump;

// For browser, export only select globals
    if ( typeof window !== "undefined" ) {

        // Deprecated
        // Extend assert methods to QUnit and Global scope through Backwards compatibility
        (function() {
            var i,
                assertions = Assert.prototype;

            function applyCurrent( current ) {
                return function() {
                    var assert = new Assert( QUnit.config.current );
                    current.apply( assert, arguments );
                };
            }

            for ( i in assertions ) {
                QUnit[ i ] = applyCurrent( assertions[ i ] );
            }
        })();

        (function() {
            var i, l,
                keys = [
                    "test",
                    "module",
                    "expect",
                    "asyncTest",
                    "start",
                    "stop",
                    "ok",
                    "equal",
                    "notEqual",
                    "propEqual",
                    "notPropEqual",
                    "deepEqual",
                    "notDeepEqual",
                    "strictEqual",
                    "notStrictEqual",
                    "throws"
                ];

            for ( i = 0, l = keys.length; i < l; i++ ) {
                window[ keys[ i ] ] = QUnit[ keys[ i ] ];
            }
        })();

        window.QUnit = QUnit;
    }

// For CommonJS environments, export everything
    if ( typeof module !== "undefined" && module.exports ) {
        module.exports = QUnit;
    }

// Get a reference to the global object, like window in browsers
}( (function() {
    return this;
})() ));

/*istanbul ignore next */
/*
 * Javascript Diff Algorithm
 *  By John Resig (http://ejohn.org/)
 *  Modified by Chu Alan "sprite"
 *
 * Released under the MIT license.
 *
 * More Info:
 *  http://ejohn.org/projects/javascript-diff-algorithm/
 *
 * Usage: QUnit.diff(expected, actual)
 *
 * QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
 */
QUnit.diff = (function() {
    var hasOwn = Object.prototype.hasOwnProperty;

    /*jshint eqeqeq:false, eqnull:true */
    function diff( o, n ) {
        var i,
            ns = {},
            os = {};

        for ( i = 0; i < n.length; i++ ) {
            if ( !hasOwn.call( ns, n[ i ] ) ) {
                ns[ n[ i ] ] = {
                    rows: [],
                    o: null
                };
            }
            ns[ n[ i ] ].rows.push( i );
        }

        for ( i = 0; i < o.length; i++ ) {
            if ( !hasOwn.call( os, o[ i ] ) ) {
                os[ o[ i ] ] = {
                    rows: [],
                    n: null
                };
            }
            os[ o[ i ] ].rows.push( i );
        }

        for ( i in ns ) {
            if ( hasOwn.call( ns, i ) ) {
                if ( ns[ i ].rows.length === 1 && hasOwn.call( os, i ) && os[ i ].rows.length === 1 ) {
                    n[ ns[ i ].rows[ 0 ] ] = {
                        text: n[ ns[ i ].rows[ 0 ] ],
                        row: os[ i ].rows[ 0 ]
                    };
                    o[ os[ i ].rows[ 0 ] ] = {
                        text: o[ os[ i ].rows[ 0 ] ],
                        row: ns[ i ].rows[ 0 ]
                    };
                }
            }
        }

        for ( i = 0; i < n.length - 1; i++ ) {
            if ( n[ i ].text != null && n[ i + 1 ].text == null && n[ i ].row + 1 < o.length && o[ n[ i ].row + 1 ].text == null &&
                n[ i + 1 ] == o[ n[ i ].row + 1 ] ) {

                n[ i + 1 ] = {
                    text: n[ i + 1 ],
                    row: n[ i ].row + 1
                };
                o[ n[ i ].row + 1 ] = {
                    text: o[ n[ i ].row + 1 ],
                    row: i + 1
                };
            }
        }

        for ( i = n.length - 1; i > 0; i-- ) {
            if ( n[ i ].text != null && n[ i - 1 ].text == null && n[ i ].row > 0 && o[ n[ i ].row - 1 ].text == null &&
                n[ i - 1 ] == o[ n[ i ].row - 1 ] ) {

                n[ i - 1 ] = {
                    text: n[ i - 1 ],
                    row: n[ i ].row - 1
                };
                o[ n[ i ].row - 1 ] = {
                    text: o[ n[ i ].row - 1 ],
                    row: i - 1
                };
            }
        }

        return {
            o: o,
            n: n
        };
    }

    return function( o, n ) {
        o = o.replace( /\s+$/, "" );
        n = n.replace( /\s+$/, "" );

        var i, pre,
            str = "",
            out = diff( o === "" ? [] : o.split( /\s+/ ), n === "" ? [] : n.split( /\s+/ ) ),
            oSpace = o.match( /\s+/g ),
            nSpace = n.match( /\s+/g );

        if ( oSpace == null ) {
            oSpace = [ " " ];
        } else {
            oSpace.push( " " );
        }

        if ( nSpace == null ) {
            nSpace = [ " " ];
        } else {
            nSpace.push( " " );
        }

        if ( out.n.length === 0 ) {
            for ( i = 0; i < out.o.length; i++ ) {
                str += "<del>" + out.o[ i ] + oSpace[ i ] + "</del>";
            }
        } else {
            if ( out.n[ 0 ].text == null ) {
                for ( n = 0; n < out.o.length && out.o[ n ].text == null; n++ ) {
                    str += "<del>" + out.o[ n ] + oSpace[ n ] + "</del>";
                }
            }

            for ( i = 0; i < out.n.length; i++ ) {
                if ( out.n[ i ].text == null ) {
                    str += "<ins>" + out.n[ i ] + nSpace[ i ] + "</ins>";
                } else {

                    // `pre` initialized at top of scope
                    pre = "";

                    for ( n = out.n[ i ].row + 1; n < out.o.length && out.o[ n ].text == null; n++ ) {
                        pre += "<del>" + out.o[ n ] + oSpace[ n ] + "</del>";
                    }
                    str += " " + out.n[ i ].text + nSpace[ i ] + pre;
                }
            }
        }

        return str;
    };
}());

(function() {

// Deprecated QUnit.init - Ref #530
// Re-initialize the configuration options
    QUnit.init = function() {
        var tests, banner, result, qunit,
            config = QUnit.config;

        config.stats = { all: 0, bad: 0 };
        config.moduleStats = { all: 0, bad: 0 };
        config.started = 0;
        config.updateRate = 1000;
        config.blocking = false;
        config.autostart = true;
        config.autorun = false;
        config.filter = "";
        config.queue = [];
        config.semaphore = 1;

        // Return on non-browser environments
        // This is necessary to not break on node tests
        if ( typeof window === "undefined" ) {
            return;
        }

        qunit = id( "qunit" );
        if ( qunit ) {
            qunit.innerHTML =
                "<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
                "<h2 id='qunit-banner'></h2>" +
                "<div id='qunit-testrunner-toolbar'></div>" +
                "<h2 id='qunit-userAgent'></h2>" +
                "<ol id='qunit-tests'></ol>";
        }

        tests = id( "qunit-tests" );
        banner = id( "qunit-banner" );
        result = id( "qunit-testresult" );

        if ( tests ) {
            tests.innerHTML = "";
        }

        if ( banner ) {
            banner.className = "";
        }

        if ( result ) {
            result.parentNode.removeChild( result );
        }

        if ( tests ) {
            result = document.createElement( "p" );
            result.id = "qunit-testresult";
            result.className = "result";
            tests.parentNode.insertBefore( result, tests );
            result.innerHTML = "Running...<br/>&nbsp;";
        }
    };

// Resets the test setup. Useful for tests that modify the DOM.
    /*
     DEPRECATED: Use multiple tests instead of resetting inside a test.
     Use testStart or testDone for custom cleanup.
     This method will throw an error in 2.0, and will be removed in 2.1
     */
    QUnit.reset = function() {

        // Return on non-browser environments
        // This is necessary to not break on node tests
        if ( typeof window === "undefined" ) {
            return;
        }

        var fixture = id( "qunit-fixture" );
        if ( fixture ) {
            fixture.innerHTML = config.fixture;
        }
    };

// Don't load the HTML Reporter on non-Browser environments
    if ( typeof window === "undefined" ) {
        return;
    }

    var config = QUnit.config,
        hasOwn = Object.prototype.hasOwnProperty,
        defined = {
            document: typeof window.document !== "undefined",
            sessionStorage: (function() {
                var x = "qunit-test-string";
                try {
                    sessionStorage.setItem( x, x );
                    sessionStorage.removeItem( x );
                    return true;
                } catch ( e ) {
                    return false;
                }
            }())
        };

    /**
     * Escape text for attribute or text content.
     */
    function escapeText( s ) {
        if ( !s ) {
            return "";
        }
        s = s + "";

        // Both single quotes and double quotes (for attributes)
        return s.replace( /['"<>&]/g, function( s ) {
            switch ( s ) {
                case "'":
                    return "&#039;";
                case "\"":
                    return "&quot;";
                case "<":
                    return "&lt;";
                case ">":
                    return "&gt;";
                case "&":
                    return "&amp;";
            }
        });
    }

    /**
     * @param {HTMLElement} elem
     * @param {string} type
     * @param {Function} fn
     */
    function addEvent( elem, type, fn ) {
        if ( elem.addEventListener ) {

            // Standards-based browsers
            elem.addEventListener( type, fn, false );
        } else if ( elem.attachEvent ) {

            // support: IE <9
            elem.attachEvent( "on" + type, fn );
        }
    }

    /**
     * @param {Array|NodeList} elems
     * @param {string} type
     * @param {Function} fn
     */
    function addEvents( elems, type, fn ) {
        var i = elems.length;
        while ( i-- ) {
            addEvent( elems[ i ], type, fn );
        }
    }

    function hasClass( elem, name ) {
        return ( " " + elem.className + " " ).indexOf( " " + name + " " ) >= 0;
    }

    function addClass( elem, name ) {
        if ( !hasClass( elem, name ) ) {
            elem.className += ( elem.className ? " " : "" ) + name;
        }
    }

    function toggleClass( elem, name ) {
        if ( hasClass( elem, name ) ) {
            removeClass( elem, name );
        } else {
            addClass( elem, name );
        }
    }

    function removeClass( elem, name ) {
        var set = " " + elem.className + " ";

        // Class name may appear multiple times
        while ( set.indexOf( " " + name + " " ) >= 0 ) {
            set = set.replace( " " + name + " ", " " );
        }

        // trim for prettiness
        elem.className = typeof set.trim === "function" ? set.trim() : set.replace( /^\s+|\s+$/g, "" );
    }

    function id( name ) {
        return defined.document && document.getElementById && document.getElementById( name );
    }

    function getUrlConfigHtml() {
        var i, j, val,
            escaped, escapedTooltip,
            selection = false,
            len = config.urlConfig.length,
            urlConfigHtml = "";

        for ( i = 0; i < len; i++ ) {
            val = config.urlConfig[ i ];
            if ( typeof val === "string" ) {
                val = {
                    id: val,
                    label: val
                };
            }

            escaped = escapeText( val.id );
            escapedTooltip = escapeText( val.tooltip );

            config[ val.id ] = QUnit.urlParams[ val.id ];
            if ( !val.value || typeof val.value === "string" ) {
                urlConfigHtml += "<input id='qunit-urlconfig-" + escaped +
                "' name='" + escaped + "' type='checkbox'" +
                ( val.value ? " value='" + escapeText( val.value ) + "'" : "" ) +
                ( config[ val.id ] ? " checked='checked'" : "" ) +
                " title='" + escapedTooltip + "'><label for='qunit-urlconfig-" + escaped +
                "' title='" + escapedTooltip + "'>" + val.label + "</label>";
            } else {
                urlConfigHtml += "<label for='qunit-urlconfig-" + escaped +
                "' title='" + escapedTooltip + "'>" + val.label +
                ": </label><select id='qunit-urlconfig-" + escaped +
                "' name='" + escaped + "' title='" + escapedTooltip + "'><option></option>";

                if ( QUnit.is( "array", val.value ) ) {
                    for ( j = 0; j < val.value.length; j++ ) {
                        escaped = escapeText( val.value[ j ] );
                        urlConfigHtml += "<option value='" + escaped + "'" +
                        ( config[ val.id ] === val.value[ j ] ?
                        ( selection = true ) && " selected='selected'" : "" ) +
                        ">" + escaped + "</option>";
                    }
                } else {
                    for ( j in val.value ) {
                        if ( hasOwn.call( val.value, j ) ) {
                            urlConfigHtml += "<option value='" + escapeText( j ) + "'" +
                            ( config[ val.id ] === j ?
                            ( selection = true ) && " selected='selected'" : "" ) +
                            ">" + escapeText( val.value[ j ] ) + "</option>";
                        }
                    }
                }
                if ( config[ val.id ] && !selection ) {
                    escaped = escapeText( config[ val.id ] );
                    urlConfigHtml += "<option value='" + escaped +
                    "' selected='selected' disabled='disabled'>" + escaped + "</option>";
                }
                urlConfigHtml += "</select>";
            }
        }

        return urlConfigHtml;
    }

    function toolbarUrlConfigContainer() {
        var urlConfigContainer = document.createElement( "span" );

        urlConfigContainer.innerHTML = getUrlConfigHtml();

        // For oldIE support:
        // * Add handlers to the individual elements instead of the container
        // * Use "click" instead of "change" for checkboxes
        // * Fallback from event.target to event.srcElement
        addEvents( urlConfigContainer.getElementsByTagName( "input" ), "click", function( event ) {
            var params = {},
                target = event.target || event.srcElement;
            params[ target.name ] = target.checked ?
            target.defaultValue || true :
                undefined;
            window.location = QUnit.url( params );
        });
        addEvents( urlConfigContainer.getElementsByTagName( "select" ), "change", function( event ) {
            var params = {},
                target = event.target || event.srcElement;
            params[ target.name ] = target.options[ target.selectedIndex ].value || undefined;
            window.location = QUnit.url( params );
        });

        return urlConfigContainer;
    }

    function getModuleNames() {
        var i,
            moduleNames = [];

        for ( i in config.modules ) {
            if ( config.modules.hasOwnProperty( i ) ) {
                moduleNames.push( i );
            }
        }

        moduleNames.sort(function( a, b ) {
            return a.localeCompare( b );
        });

        return moduleNames;
    }

    function toolbarModuleFilterHtml() {
        var i,
            moduleFilterHtml = "",
            moduleNames = getModuleNames();

        if ( moduleNames.length <= 1 ) {
            return false;
        }

        moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label>" +
        "<select id='qunit-modulefilter' name='modulefilter'><option value='' " +
        ( config.module === undefined ? "selected='selected'" : "" ) +
        ">< All Modules ></option>";

        for ( i = 0; i < moduleNames.length; i++ ) {
            moduleFilterHtml += "<option value='" +
            escapeText( encodeURIComponent( moduleNames[ i ] ) ) + "' " +
            ( config.module === moduleNames[ i ] ? "selected='selected'" : "" ) +
            ">" + escapeText( moduleNames[ i ] ) + "</option>";
        }
        moduleFilterHtml += "</select>";

        return moduleFilterHtml;
    }

    function toolbarModuleFilter() {
        var moduleFilter = document.createElement( "span" ),
            moduleFilterHtml = toolbarModuleFilterHtml();

        if ( !moduleFilterHtml ) {
            return false;
        }

        moduleFilter.setAttribute( "id", "qunit-modulefilter-container" );
        moduleFilter.innerHTML = moduleFilterHtml;

        addEvent( moduleFilter.lastChild, "change", function() {
            var selectBox = moduleFilter.getElementsByTagName( "select" )[ 0 ],
                selectedModule = decodeURIComponent( selectBox.options[ selectBox.selectedIndex ].value );

            window.location = QUnit.url({
                module: ( selectedModule === "" ) ? undefined : selectedModule,

                // Remove any existing filters
                filter: undefined,
                testNumber: undefined
            });
        });

        return moduleFilter;
    }

    function toolbarFilter() {
        var testList = id( "qunit-tests" ),
            filter = document.createElement( "input" );

        filter.type = "checkbox";
        filter.id = "qunit-filter-pass";

        addEvent( filter, "click", function() {
            if ( filter.checked ) {
                addClass( testList, "hidepass" );
                if ( defined.sessionStorage ) {
                    sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
                }
            } else {
                removeClass( testList, "hidepass" );
                if ( defined.sessionStorage ) {
                    sessionStorage.removeItem( "qunit-filter-passed-tests" );
                }
            }
        });

        if ( config.hidepassed || defined.sessionStorage &&
            sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
            filter.checked = true;

            addClass( testList, "hidepass" );
        }

        return filter;
    }

    function toolbarLabel() {
        var label = document.createElement( "label" );
        label.setAttribute( "for", "qunit-filter-pass" );
        label.setAttribute( "title", "Only show tests and assertions that fail. Stored in sessionStorage." );
        label.innerHTML = "Hide passed tests";

        return label;
    }

    function appendToolbar() {
        var moduleFilter,
            toolbar = id( "qunit-testrunner-toolbar" );

        if ( toolbar ) {
            toolbar.appendChild( toolbarFilter() );
            toolbar.appendChild( toolbarLabel() );
            toolbar.appendChild( toolbarUrlConfigContainer() );

            moduleFilter = toolbarModuleFilter();
            if ( moduleFilter ) {
                toolbar.appendChild( moduleFilter );
            }
        }
    }

    function appendBanner() {
        var banner = id( "qunit-banner" );

        if ( banner ) {
            banner.className = "";
            banner.innerHTML = "<a href='" +
            QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) +
            "'>" + banner.innerHTML + "</a> ";
        }
    }

    function appendTestResults() {
        var tests = id( "qunit-tests" ),
            result = id( "qunit-testresult" );

        if ( result ) {
            result.parentNode.removeChild( result );
        }

        if ( tests ) {
            tests.innerHTML = "";
            result = document.createElement( "p" );
            result.id = "qunit-testresult";
            result.className = "result";
            tests.parentNode.insertBefore( result, tests );
            result.innerHTML = "Running...<br>&nbsp;";
        }
    }

    function storeFixture() {
        var fixture = id( "qunit-fixture" );
        if ( fixture ) {
            config.fixture = fixture.innerHTML;
        }
    }

    function appendUserAgent() {
        var userAgent = id( "qunit-userAgent" );
        if ( userAgent ) {
            userAgent.innerHTML = navigator.userAgent;
        }
    }

// HTML Reporter initialization and load
    QUnit.begin(function() {
        var qunit = id( "qunit" );

        if ( qunit ) {
            qunit.innerHTML =
                "<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
                "<h2 id='qunit-banner'></h2>" +
                "<div id='qunit-testrunner-toolbar'></div>" +
                "<h2 id='qunit-userAgent'></h2>" +
                "<ol id='qunit-tests'></ol>";
        }

        appendBanner();
        appendTestResults();
        appendUserAgent();
        appendToolbar();
        storeFixture();
    });

    QUnit.done(function( details ) {
        var i, key,
            banner = id( "qunit-banner" ),
            tests = id( "qunit-tests" ),
            html = [
                "Tests completed in ",
                details.runtime,
                " milliseconds.<br>",
                "<span class='passed'>",
                details.passed,
                "</span> assertions of <span class='total'>",
                details.total,
                "</span> passed, <span class='failed'>",
                details.failed,
                "</span> failed."
            ].join( "" );

        if ( banner ) {
            banner.className = details.failed ? "qunit-fail" : "qunit-pass";
        }

        if ( tests ) {
            id( "qunit-testresult" ).innerHTML = html;
        }

        if ( config.altertitle && defined.document && document.title ) {

            if (document.title === (document.title + '')) {
                // show ✖ for good, ✔ for bad suite result in title
                // use escape sequences in case file gets loaded with non-utf-8-charset
                document.title = [
                    ( details.failed ? "\u2716" : "\u2714" ),
                    document.title.replace( /^[\u2714\u2716] /i, "" )
                ].join( " " );
            }

        }

        // clear own sessionStorage items if all tests passed
        if ( config.reorder && defined.sessionStorage && details.failed === 0 ) {
            for ( i = 0; i < sessionStorage.length; i++ ) {
                key = sessionStorage.key( i++ );
                if ( key.indexOf( "qunit-test-" ) === 0 ) {
                    sessionStorage.removeItem( key );
                }
            }
        }

        // scroll back to top to show results
        if ( config.scrolltop && window.scrollTo ) {
            window.scrollTo( 0, 0 );
        }
    });

    function getNameHtml( name, module ) {
        var nameHtml = "";

        if ( module ) {
            nameHtml = "<span class='module-name'>" + escapeText( module ) + "</span>: ";
        }

        nameHtml += "<span class='test-name'>" + escapeText( name ) + "</span>";

        return nameHtml;
    }

    QUnit.testStart(function( details ) {
        var a, b, li, running, assertList,
            name = getNameHtml( details.name, details.module ),
            tests = id( "qunit-tests" );

        if ( tests ) {
            b = document.createElement( "strong" );
            b.innerHTML = name;

            a = document.createElement( "a" );
            a.innerHTML = "Rerun";
            a.href = QUnit.url({ testNumber: details.testNumber });

            li = document.createElement( "li" );
            li.appendChild( b );
            li.appendChild( a );
            li.className = "running";
            li.id = "qunit-test-output" + details.testNumber;

            assertList = document.createElement( "ol" );
            assertList.className = "qunit-assert-list";

            li.appendChild( assertList );

            tests.appendChild( li );
        }

        running = id( "qunit-testresult" );
        if ( running ) {
            running.innerHTML = "Running: <br>" + name;
        }

    });

    QUnit.log(function( details ) {
        var assertList, assertLi,
            message, expected, actual,
            testItem = id( "qunit-test-output" + details.testNumber );

        if ( !testItem ) {
            return;
        }

        message = escapeText( details.message ) || ( details.result ? "okay" : "failed" );
        message = "<span class='test-message'>" + message + "</span>";

        // pushFailure doesn't provide details.expected
        // when it calls, it's implicit to also not show expected and diff stuff
        // Also, we need to check details.expected existence, as it can exist and be undefined
        if ( !details.result && hasOwn.call( details, "expected" ) ) {
            expected = escapeText( QUnit.dump.parse( details.expected ) );
            actual = escapeText( QUnit.dump.parse( details.actual ) );
            message += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" +
            expected +
            "</pre></td></tr>";

            if ( actual !== expected ) {
                message += "<tr class='test-actual'><th>Result: </th><td><pre>" +
                actual + "</pre></td></tr>" +
                "<tr class='test-diff'><th>Diff: </th><td><pre>" +
                QUnit.diff( expected, actual ) + "</pre></td></tr>";
            }

            if ( details.source ) {
                message += "<tr class='test-source'><th>Source: </th><td><pre>" +
                escapeText( details.source ) + "</pre></td></tr>";
            }

            message += "</table>";

            // this occours when pushFailure is set and we have an extracted stack trace
        } else if ( !details.result && details.source ) {
            message += "<table>" +
            "<tr class='test-source'><th>Source: </th><td><pre>" +
            escapeText( details.source ) + "</pre></td></tr>" +
            "</table>";
        }

        assertList = testItem.getElementsByTagName( "ol" )[ 0 ];

        assertLi = document.createElement( "li" );
        assertLi.className = details.result ? "pass" : "fail";
        assertLi.innerHTML = message;
        assertList.appendChild( assertLi );
    });

    QUnit.testDone(function( details ) {
        var testTitle, time, testItem, assertList,
            good, bad, testCounts,
            tests = id( "qunit-tests" );

        // QUnit.reset() is deprecated and will be replaced for a new
        // fixture reset function on QUnit 2.0/2.1.
        // It's still called here for backwards compatibility handling
        QUnit.reset();

        if ( !tests ) {
            return;
        }

        testItem = id( "qunit-test-output" + details.testNumber );
        assertList = testItem.getElementsByTagName( "ol" )[ 0 ];

        good = details.passed;
        bad = details.failed;

        // store result when possible
        if ( config.reorder && defined.sessionStorage ) {
            if ( bad ) {
                sessionStorage.setItem( "qunit-test-" + details.module + "-" + details.name, bad );
            } else {
                sessionStorage.removeItem( "qunit-test-" + details.module + "-" + details.name );
            }
        }

        if ( bad === 0 ) {
            addClass( assertList, "qunit-collapsed" );
        }

        // testItem.firstChild is the test name
        testTitle = testItem.firstChild;

        testCounts = bad ?
        "<b class='failed'>" + bad + "</b>, " + "<b class='passed'>" + good + "</b>, " :
            "";

        testTitle.innerHTML += " <b class='counts'>(" + testCounts +
        details.assertions.length + ")</b>";

        addEvent( testTitle, "click", function() {
            toggleClass( assertList, "qunit-collapsed" );
        });

        time = document.createElement( "span" );
        time.className = "runtime";
        time.innerHTML = details.runtime + " ms";

        testItem.className = bad ? "fail" : "pass";

        testItem.insertBefore( time, assertList );
    });

    if ( !defined.document || document.readyState === "complete" ) {
        config.autorun = true;
    }

    if ( defined.document ) {
        addEvent( window, "load", QUnit.load );
    }

})();